The Spaniards occupied it as a military outpost supported by San Juan, Puerto Rico until the end of the long Eighty Years War in 1648.
At the end of the war the partition agreement and Treaty of Westphalia was signed by the Dutch Republic Spain and France in 1648.
[2] Today, the fort is small, and in a decaying state of repair, but still worth visiting and commands a great view of the harbor.
The fort is on a peninsula about 2.5 km long and is a registered historical site, consisting of several ruins.
There is a breeding colony of brown pelicans, of up to 60 nests, on the west side of the point, on a slope below the fort.